my own Soundboard

[Erwinspiano@AOL.COM]

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In a message dated 1/13/2002 2:30:15 PM Pacific Standard Time, 
gnewell@ameritech.net writes:


> Subj:Re: my own Soundboard 
> Date:1/13/2002 2:30:15 PM Pacific Standard Time
> From:<A HREF="mailto:gnewell@ameritech.net">gnewell@ameritech.net</A>
> Reply-to:<A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A>
> To:<A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A>
> Sent from the Internet 
>   

                   Hi Gregg

    The joint under discussion is replacing the butt joint between the panel 
edges with a tongue and groove joint. If you follow that then think about 
cutting this long boardVERY,TOTALLY straight joint on some piece of 
machinery.  Each board must be cut Totally straight on both its edges and yes 
so there are no gaps between. Also this is an advantage as Ron O said that 
thinner thicknesses of spruce can be joined thereby saving material. With  
grade A spruce at $8 to $10 a board foot (and the average panel requireing 25 
bd. ft of material) any screw ups are going to add up in a hurry.
  Hope that helps . I have trouble following my own train of thought too.
        
                     Dale Erwin


> 
> 
> Dale, 
>     Could you expand your thought a little here? I don't really understand 
> what you are saying. Specifically what do you mean by "making a straight 
> line over large lengths of wood". Are you talking about gaps in joining 
> boards? I'm afraid I'm not following your train of thought. 
>   Greg Erwinspiano@AOL.COM wrote: 
> >> In a message dated 1/12/2002 9:52:03 PM Pacific Standard Time, 
>> gnewell@ameritech.net writes: 
>>         Gregg writes 
>> >>> . 
>>>     I thought that tongue and groove might be a good idea long before I 
>>> heard about it here. Lately I've been day dreaming about finger joints. 
>>> Any feelings on how that might work in a soundboard situation? It seems 
>>> that a finger joint would offer more surface area than a tongue and 
>>> groove. Call me a ponderer. 
>>>    .
>>             Greg -Finger joints will not work. Even the tongue and groove 
>> joints must be positioned towards the bottom side of the panel so that 
>> they are not exposed while diaphramizing. 
>>         If you've not ever tried to make a straight line over large 
>> lengths of wood then I must tell you how difficult it is even for the best 
>> woodworkers. 
>>       Dale
> 
> -- 
> Greg Newell 
> <A HREF="mailto:gnewell@ameritech.net">mailto:gnewell@ameritech.net</A> 
>   


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